chore: update dependencies and project configuration

- Align tree-sitter dependencies to latest versions (bash 0.25.1, cli 0.25.10)
- Clean up .gitignore redundant patterns and normalize path styles
- Improve CodeRabbit configuration with path filters and simplified instructions
- Add test corpus exclusion to match project intent

package-lock.json

@@ -9,14 +9,14 @@
       "version": "0.1.0",
       "license": "MIT",
       "dependencies": {
-        "tree-sitter-bash": "^0.25.0"
+        "tree-sitter-bash": "^0.25.1"
       },
       "devDependencies": {
         "eclint": "^2.8.1",
         "markdownlint-cli": "^0.46.0",
         "nodemon": "^3.0.1",
         "prettier": "^3.6.2",
-        "tree-sitter-cli": "^0.25.0"
+        "tree-sitter-cli": "^0.25.10"
       }
     },
     "node_modules/@isaacs/balanced-match": {
@@ -4075,9 +4075,9 @@
       }
     },
     "node_modules/tree-sitter-bash": {
-      "version": "0.25.0",
-      "resolved": "https://registry.npmjs.org/tree-sitter-bash/-/tree-sitter-bash-0.25.0.tgz",
-      "integrity": "sha512-gZtlj9+qFS81qKxpLfD6H0UssQ3QBc/F0nKkPsiFDyfQF2YBqYvglFJUzchrPpVhZe9kLZTrJ9n2J6lmka69Vg==",
+      "version": "0.25.1",
+      "resolved": "https://registry.npmjs.org/tree-sitter-bash/-/tree-sitter-bash-0.25.1.tgz",
+      "integrity": "sha512-7hMytuYIMoXOq24yRulgIxthE9YmggZIOHCyPTTuJcu6EU54tYD+4G39cUb28kxC6jMf/AbPfWGLQtgPTdh3xw==",
       "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {